Initial push

2026-02-22 23:30:15 +01:00
commit 7a2d858dfb
58 changed files with 9896 additions and 0 deletions
@@ -0,0 +1,51 @@
+#include <Arduino.h>
+#include <WiFi.h>
+#include <lwip/sockets.h>
+
+#define _SSID "ESP32-AP1"
+#define _PASSWD "PASS0000"
+#define UDP_PORT 6666
+
+#define MTU 100000
+
+IPAddress apIP(192,168,178,1);
+IPAddress subnetMask(255,255,255,0);
+
+static int udp_sock;
+
+void udp_task(void* /*args*/) {
+  struct sockaddr_in sourceAddr;
+  socklen_t addrLen = sizeof(sourceAddr);
+  static uint8_t udp_buf[MTU];
+
+  while (true) {
+    int len = recvfrom(udp_sock, udp_buf, MTU - 1, 0, (struct sockaddr*)&sourceAddr, &addrLen);
+    if (len > 0) {
+      udp_buf[len] = '\n';
+      Serial.write(udp_buf, len + 1);
+    }
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) { delay(10); }
+
+  WiFi.mode(WIFI_AP);
+  WiFi.softAPConfig(apIP, apIP, subnetMask);
+  WiFi.softAP(_SSID, _PASSWD, /*channel*/1, /*hidden*/false, /*maxConn*/4);
+
+  udp_sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+  struct sockaddr_in localAddr;
+  memset(&localAddr, 0, sizeof(localAddr));
+  localAddr.sin_family = AF_INET;
+  localAddr.sin_port = htons(UDP_PORT);
+  localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
+  bind(udp_sock, (struct sockaddr*)&localAddr, sizeof(localAddr));
+
+  xTaskCreatePinnedToCore(udp_task, "UDPReceiver", 4096, nullptr, 5, nullptr, 1);
+}
+
+void loop() {
+  vTaskDelay(pdMS_TO_TICKS(1000));
+}